PREIGER, David; MALIARCHUK, Irina; GRINKEVICH, Taisia. UKRAINE, RUSSIA, AND THE CENTRAL ASIAN STATES: OOPERATION PROBLEMS IN THE GAS SECTOR. Central Asia and the Caucasus, Delhi, India, v. 5, n. 1, p. 101–110, 2004. Disponível em: https://ca-c.org/index.php/cac/article/view/325.. Acesso em: 4 nov. 2026.